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VikaD [51]
2 years ago
9

The ages of three siblings combined is 27. The oldest is twice the age of the youngest. The middle child is 3 years older than t

he youngest. Write and solve an equation to find the ages of each sibling.
Mathematics
2 answers:
krek1111 [17]2 years ago
8 0
The oldest is 14 the middle is 10 the youngest is 6
Charra [1.4K]2 years ago
7 0
The youngest child is 6,the oldest child is 12,and the middle child is 9.
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dalvyx [7]
The answer is. A) y=-4/5x-7
Just compare, and they will equal each other.
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3 years ago
Anybody have the answer?
Mariulka [41]
80 inches squared, I would assume based off of the other one.
6 0
2 years ago
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How many cubes with side lengths of 1/2 cm does it take to fill the prism? Height: 3/2 cm Width:1 cm length: 2 cm
Irina18 [472]

Answer:

24

Step-by-step explanation:

If we want to cover the base of the prism having dimensions 2 cm × 1 cm with \frac{1}{2} cm length of cube, then there will be (4 × 2) = 8 cubes that can occupy the base.

Width is 1 cm, so there can fit 2 cubes of length \frac{1}{2} cm and length is 2 cm, where 4 cubes of length \frac{1}{2} cm can fit. So, in total (4 × 2) = 8 cubes of \frac{1}{2} cm length.

Now, height of the prism is \frac{3}{2} cm where 3 cubes of length \frac{1}{2} cm can fit.

Therefore, in total there can be (8 × 3) = 24 cubes of \frac{1}{2} cm length. (Answer)

8 0
3 years ago
What is the area of this parallelogram?<br><br><br> 28 m²<br><br> 56 m²<br><br> 84 m²<br><br> 120 m²
svetlana [45]

Answer:

84 m² is the correct answer.

Step-by-step explanation:

first, split the parallelogram into three shapes: the two triangles on either side of the shape, and the rectangle in the middle.

the formula for the area of a triangle is base x height / 2. all of the measures are indicated in the picture so that means that 4 x 7 / 2 = 14. since there are two triangles, add 14 + 14 = 28.

then, find the area of the rectangle. the area of a rectangle is length x width. 8 x 7 = 56.

56 + 28 = 84.

6 0
3 years ago
There are 2.54 centimeters to 1 inch. How many are in 15 inches
Elden [556K]
There are 38.1 centimeters in 15 inches. All you have to do is multiply 2.54 by 15 to get your answer.
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3 years ago
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